1002343 has 2 divisors, whose sum is σ = 1002344. Its totient is φ = 1002342.

The previous prime is 1002341. The next prime is 1002347. The reversal of 1002343 is 3432001.

It is a weak prime.

It is an emirp because it is prime and its reverse (3432001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1002343 - 2¹ = 1002341 is a prime.

Together with 1002341, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1002341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501171 + 501172.

It is an arithmetic number, because the mean of its divisors is an integer number (501172).

2^1002343 is an apocalyptic number.

1002343 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002343 is an equidigital number, since it uses as much as digits as its factorization.

1002343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 1002343 is about 1001.1708145966. The cubic root of 1002343 is about 100.0780390832.

Adding to 1002343 its reverse (3432001), we get a palindrome (4434344).

The spelling of 1002343 in words is "one million, two thousand, three hundred forty-three".